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feat: upgrade langgraph-sdk to 1.8.8 and enable streamSubgraphs

Browse Source 
- Upgrade @langchain/langgraph-sdk from 0.0.73 to 1.8.8
- Add streamSubgraphs: true to both thread.submit() calls (doSubmit + handleRegenerate)
- Enables real-time Gen-UI card streaming from subgraphs (searcher/coder/writer)
- Verified: values|searcher:* SSE events now appear in stream output

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
gongzhiyong
2026-04-13 15:29:10 +08:00
co-authored by Claude Sonnet 4.6
parent d0ea8ab8b6
commit 09a0021007
3 changed files with 99 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
langgraph/package.json
+4 -2
View File
@@ -28,11 +28,11 @@
"@langchain/core": "^0.3.45",
"@langchain/google-genai": "^0.1.10",
"@langchain/langgraph": "^0.2.64",
"@langchain/langgraph-api": "0.0.30",
"@langchain/langgraph-checkpoint": "^0.0.17",
"@langchain/langgraph-checkpoint-postgres": "^1.0.1",
"@langchain/langgraph-api": "0.0.30",
"@langchain/langgraph-cli": "^0.0.30",
"@langchain/langgraph-sdk": "^0.0.73",
"@langchain/langgraph-sdk": "^1.8.8",
"@langchain/openai": "^0.5.5",
"@radix-ui/react-avatar": "^1.1.3",
"@radix-ui/react-dialog": "^1.1.6",
@@ -41,6 +41,7 @@
"@radix-ui/react-tooltip": "^1.1.8",
"@tailwindcss/postcss": "^4.0.9",
"@tailwindcss/vite": "^4.0.9",
"@types/hast": "^3.0.4",
"class-variance-authority": "^0.7.1",
"clsx": "^2.1.1",
"date-fns": "^4.1.0",
@@ -65,6 +66,7 @@
"sonner": "^2.0.1",
"tailwind-merge": "^3.0.2",
"tailwindcss-animate": "^1.0.7",
"unist-util-visit": "^5.1.0",
"use-query-params": "^2.2.1",
"use-stick-to-bottom": "^1.0.46",
"uuid": "^11.0.5",
langgraph/pnpm-lock.yaml
Generated
+93 -16
View File
@@ -37,7 +37,7 @@ importers:
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version: 0.0.30(@langchain/core@0.3.45(openai@4.95.1(zod@3.24.2)))(@langchain/langgraph-checkpoint@0.0.17(@langchain/core@0.3.45(openai@4.95.1(zod@3.24.2))))(@langchain/langgraph-sdk@0.0.73(@langchain/core@0.3.45(openai@4.95.1(zod@3.24.2)))(react@19.0.0))(@langchain/langgraph@0.2.64(@langchain/core@0.3.45(openai@4.95.1(zod@3.24.2)))(react@19.0.0)(zod-to-json-schema@3.24.3(zod@3.24.2)))(openai@4.95.1(zod@3.24.2))(typescript@5.7.3)
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version: 0.0.17(@langchain/core@0.3.45(openai@4.95.1(zod@3.24.2)))
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'@langchain/langgraph-sdk':
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version: 0.0.73(@langchain/core@0.3.45(openai@4.95.1(zod@3.24.2)))(react@19.0.0)
specifier: ^1.8.8
version: 1.8.8(@langchain/core@0.3.45(openai@4.95.1(zod@3.24.2)))(react-dom@19.0.0(react@19.0.0))(react@19.0.0)
'@langchain/openai':
specifier: ^0.5.5
version: 0.5.5(@langchain/core@0.3.45(openai@4.95.1(zod@3.24.2)))
@@ -74,6 +74,9 @@ importers:
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version: 4.0.9(vite@6.2.0(@types/node@22.13.5)(jiti@2.4.2)(lightningcss@1.29.1)(tsx@4.19.3)(yaml@2.7.0))
'@types/hast':
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version: 3.0.4
class-variance-authority:
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version: 0.7.1
@@ -146,6 +149,9 @@ importers:
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version: 1.0.7(tailwindcss@4.0.9)
unist-util-visit:
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version: 5.1.0
use-query-params:
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version: 2.2.1(react-dom@19.0.0(react@19.0.0))(react-router-dom@6.30.0(react-dom@19.0.0(react@19.0.0))(react@19.0.0))(react@19.0.0)
@@ -779,6 +785,26 @@ packages:
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optional: true
'@langchain/langgraph-sdk@1.8.8':
resolution: {integrity: sha512-4OoqFAvPloOTZ6oPxXbJngz4FLJO8QSXb+BQV3qvNTvmfu1LQA7cCEqSNLYX9MoC340PbnDkHNgUtjajwkDHRg==}
peerDependencies:
'@langchain/core': ^1.1.16
react: ^18 || ^19
react-dom: ^18 || ^19
svelte: ^4.0.0 || ^5.0.0
vue: ^3.0.0
peerDependenciesMeta:
'@langchain/core':
optional: true
react:
optional: true
react-dom:
optional: true
svelte:
optional: true
vue:
optional: true
'@langchain/langgraph-ui@0.0.30':
resolution: {integrity: sha512-Gkj9pZG1rIcMkzhAXziQ/+ChHE6NDThXhxqI9gPllo4VD11MgFFDUkgEtA1D3uqOmIEcrEXSIH95ceUClssXUw==}
engines: {node: ^18.19.0 || >=20.16.0}
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engines: {node: '>=0.8.x'}
@@ -2525,6 +2554,10 @@ packages:
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hasBin: true
is-network-error@1.3.1:
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engines: {node: '>=0.12.0'}
@@ -3035,14 +3068,26 @@ packages:
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p-retry@7.1.1:
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p-timeout@3.2.0:
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engines: {node: '>=8'}
p-timeout@7.0.1:
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package-json-from-dist@1.0.1:
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@@ -3722,8 +3767,8 @@ packages:
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unist-util-visit@5.0.0:
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unist-util-visit@5.1.0:
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uuid@13.0.0:
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hasBin: true
@@ -4616,7 +4665,7 @@ snapshots:
transitivePeerDependencies:
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'@hono/node-server': 1.13.8(hono@4.12.12)
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transitivePeerDependencies:
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- openai
@@ -4662,11 +4711,11 @@ snapshots:
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dedent: 1.5.3
@@ -4702,6 +4751,17 @@ snapshots:
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dependencies:
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execa@9.5.2:
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@@ -6778,7 +6842,7 @@ snapshots:
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unist-util-position: 5.0.0
unist-util-visit: 5.0.0
unist-util-visit: 5.1.0
vfile: 6.0.3
mdast-util-to-markdown@2.1.2:
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micromark-util-classify-character: 2.0.1
micromark-util-decode-string: 2.0.1
unist-util-visit: 5.0.0
unist-util-visit: 5.1.0
zwitch: 2.0.4
mdast-util-to-string@4.0.0:
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p-timeout@3.2.0:
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p-timeout@7.0.1: {}
package-json-from-dist@1.0.1: {}
parent-module@1.0.1:
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transitivePeerDependencies:
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@@ -7365,7 +7440,7 @@ snapshots:
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vfile: 6.0.3
transitivePeerDependencies:
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@@ -7847,7 +7922,7 @@ snapshots:
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unist-util-visit: 5.0.0
unist-util-visit: 5.1.0
unist-util-stringify-position@4.0.0:
dependencies:
@@ -7858,7 +7933,7 @@ snapshots:
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unist-util-is: 6.0.0
unist-util-visit@5.0.0:
unist-util-visit@5.1.0:
dependencies:
'@types/unist': 3.0.3
unist-util-is: 6.0.0
@@ -7934,6 +8009,8 @@ snapshots:
uuid@11.1.0: {}
uuid@13.0.0: {}
uuid@9.0.1: {}
vfile-location@5.0.3:
langgraph/src/main.tsx
+2
View File
@@ -468,6 +468,7 @@ function App() {
},
},
streamMode: ["values", "messages"],
streamSubgraphs: true,
},
);
@@ -504,6 +505,7 @@ function App() {
configurable: { enabledTools, modelMode },
},
streamMode: ["values", "messages"],
streamSubgraphs: true,
},
);
}